APA (7th ed.) Citation

Longman, Cooper, C. P., & Shepherd, R. (1998). Tourism: Principles and practice (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Longman, Christopher P. Cooper, and Rebecca Shepherd. Tourism: Principles and Practice. 2nd ed. New york: Longman, 1998.

MLA (8th ed.) Citation

Longman, et al. Tourism: Principles and Practice. 2nd ed. Longman, 1998.